*{
    margin: 0;
    padding: 0;
}
html,body{
    height: 100%;
    
}
.box{
    display: flex;
}
aside{
    width: 250px;
    height: 100%;
    background-color: #1f2d3d;
    color: white;
}
aside .top{
    height: 180px;
    background-color: #304156;
    box-sizing: border-box;
}
aside h5{
    line-height: 60px;
    height: 60px;
    text-align: center;
    font-weight: normal;
    font-size: 20px;
    margin-bottom: 10px;
}
aside .index{
    margin-bottom: 50px;
}
aside div{
    font-size: 16px;
    padding-left: 20px;
    
}
ul li{
    height: 50px;
    text-align: center;
}
main{
    flex: 1;
    width: 100%;
    height: 100%;
    padding-left: 10px;
}
main .top{
    height: 66px;
    /* border: 1px solid gray; */
    width: 100%;
}
main .middle{
    height: 40px;
    border-bottom: 1px solid gray;
    display: flex;
    align-items: center;
}
main .middle button{
    margin: 0px 10px ;
    width: 55px;
    height: 36px;
    box-sizing: border-box;
}
main .middle select{
    margin: 0px 10px ;
    width: 126px;
    height: 31px;
}
.middle select{
    background-color: blue;
}
.btn{
    margin-top: 20px;
    
}
.btn span{
    font-weight: 800;
}
.btn input{
    width: 256px;
    height: 37px;
    border: none;
    border: 1px solid gray;
    border-radius: 10px;
    font-size: 14px;
}
.btn button{
    width: 93px;
    height: 37px;
    border: none;
    border: 1px solid gray;
    border: 10px;
    font-size: 14px;
}
.btn button:nth-of-type(2){
    background-color: blue;
    color: white;
}
.btns{
    display: flex;
    height: 36px;
    align-items: center;
    margin-top: 10px;
}
.btns button{
    height: 31px;
    margin: 10px;
    width: 90px;
    border: 8px;
    border-radius: 8px;
}
main table{
    width: 100%;
    margin-top: 10px;
}
